Home / 5,231.67-7,219.71-2,873.96

Finding the Fourth Proportional to 5,231.67, 7,219.71 and 2,873.96

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Solution

The fourth proportional to 5,231.67, 7,219.71 and 2,873.96 is: 3,966.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,231.67 : 7,219.71 = 2,873.96 : x
  2. Step 2: Convert to fraction form
    5,231.67/7,219.71 = 2,873.96/x
  3. Step 3: Cross multiply
    5,231.67x = 7,219.71 × 2,873.96
  4. Step 4: Simplify right side
    5,231.67x = 20,749,181.25
  5. Step 5: Solve for x
    x = 20,749,181.25/5,231.67
  6. Step 6: Final answer
    x = 3,966.07

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.